std_types::string/std::between

returns the substring between two expressions

Parameters

str: the input string
expr_1: the expression on the left hand side
expr_2: the expression on the right hand side
nth (default: 1): look for the nth occurrence of *expr_1* instead for the first one

Results

None

Description

If the specified expressions are found within the string the substring between the expressions is returned. Otherwise the empty string is returned.

If nth is specified then the nth occurence of the first expression expr_1 is looked for. If there are not at least n matches for expr_1 within str then the empty string is returned.

Example

$path "/home/user/" $user_name between(path "/" "/" 2) println! user_name

Output

user

Topic

Strings

Implements

std::between

returns the substring between the two specified expressions

std_types::string/std::before	returns the substring before the specified expression
std_types::string/std::behind	returns the substring after the specified expression
std_types::string/std::until	returns the substring until (including) the specified expression
std_types::string/std::from	returns the substring starting with the specified expression